LAMP FOR HEATING

摘要

The invention relates to a lamp comprising a lamp vessel (101), an incandescent body (102) arranged in the lamp vessel and current supply conductors (103) connected to the incandescent body. The incandescent body is intended to emit a radiation spectrum comprising a visible portion and an infrared portion. The lamp further comprises an outer envelope (104) around the lamp vessel. The outer envelope comprises a reflective film (111) adapted to transmit a first part of the visible portion and a second part of the infrared portion, the second part being greater than the first part.